[turbofan] Various fixes to allow unboxed doubles as arguments in registers and on the stack.

src/compiler/linkage.cc

Index: src/compiler/linkage.cc
diff --git a/src/compiler/linkage.cc b/src/compiler/linkage.cc
index 51b29e3ade348e6a7f56c27dd5932cadc7c025e4..2aae97ad4b8dd54eaec6fd167fed9d19574f9ee6 100644
--- a/src/compiler/linkage.cc
+++ b/src/compiler/linkage.cc
@@ -37,7 +37,7 @@ std::ostream& operator<<(std::ostream& os, const CallDescriptor::Kind& k) {
 std::ostream& operator<<(std::ostream& os, const CallDescriptor& d) {
   // TODO(svenpanne) Output properties etc. and be less cryptic.
   return os << d.kind() << ":" << d.debug_name() << ":r" << d.ReturnCount()
-            << "j" << d.JSParameterCount() << "i" << d.InputCount() << "f"
+            << "s" << d.StackParameterCount() << "i" << d.InputCount() << "f"
             << d.FrameStateCount() << "t" << d.SupportsTailCalls();
 }